5. Our advice

5.1 Choose a competent, independent design office and an accredited chemical analysis laboratory

Demand LNE certification for your engineering firm. LNE "Polluted sites and soils service" certification is a voluntary process which attests to the conformity of the services offered by a service provider with the requirements defined in the certification reference framework and those of French standards NF X 31-620 relating to polluted sites and soils. This certification covers three areas of activity:

• studies, assistance and control ;

• rehabilitation engineering ;

• rehabilitation work.

The design office must have experience in the type...